#navigation {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-between;
    height: 150px;
    /* background-image: linear-gradient(to top right, #CDDC39, #8BC34A, #FFEB3B); */
}
#navigation_left {
    margin-top: 65px;
}
#right_buttons {
    margin-top: 65px;
    width: 20%;
}
#main_window {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}
#middle_left {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}
#left_bar {
    text-align: center;
    width: 20%;
    margin-top: 50px;
}
#rank {
    width: 20%;
}
#content {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    justify-items: center;
    margin-top: 30px;
    width: 55%;
}
/* .breadcrumb-item {
    margin-top: 60px;
} */
#search {
    border-radius: 15px;
}